2013 Arnold Palmer Invitational: Day 1

Sam Greenwood / Getty Images

ORLANDO, FL - MARCH 21: Sean O'Hair plays a shot on the 9th hole during the first round of the Arnold Palmer Invitational presented by MasterCard at the Bay Hill Club and Lodge on March 21, 2013 in Orlando, Florida. (Photo by Sam Greenwood/Getty Images) ORG XMIT: 159452693

ORLANDO, FL - MARCH 21: Sean O'Hair plays a shot on the 9th hole during the first round of the Arnold Palmer Invitational presented by MasterCard at the Bay Hill Club and Lodge on March 21, 2013 in Orlando, Florida. (Photo by Sam Greenwood/Getty Images) ORG XMIT: 159452693 (Sam Greenwood / Getty Images)

ORLANDO, FL - MARCH 21: Sean O'Hair plays a shot on the 9th hole during the first round of the Arnold Palmer Invitational presented by MasterCard at the Bay Hill Club and Lodge on March 21, 2013 in Orlando, Florida. (Photo by Sam Greenwood/Getty Images) ORG XMIT: 159452693